正是由于这个原因，北京及中国其他主要城市的周边农村陷入困境。

Beijing, and the rural areas surrounding China's other major cities are in trouble for this reason.

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第三部分：以A园为例，分析园本课程开发中教师课程领导面临的困境及困境产生的原因。

Part III: For an example of A Kindergarten, proposes the troubles faced by teachers in curriculum leadership and the causes of the troubles.

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方法：运用市场结构理论深入分析了中国青蒿素生产企业面临的困境及形成的原因，并给出了具体的政策建议。

METHODS:Market structure theory was applied to analyze the obstacle the Chinese artemisinin manufactures were facing and its reason. Then countermeasures and suggestions were provided.

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